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Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC vs.
Revision 1.619 by root, Tue Aug 11 02:12:12 2015 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
…		…
70		74
71	# make sure c-lzf reinitialises itself	75	# make sure c-lzf reinitialises itself
72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";	76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
74		78
		79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		81
75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
76		85
77	our %COMMAND = ();	86	our %COMMAND = ();
78	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
79		88
80	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
81	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
82	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
83	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
84	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
85		96
86	our $RELOAD; # number of reloads so far, non-zero while in reload	97	our $RELOAD; # number of reloads so far, non-zero while in reload
87	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
88		101
89	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
90	our $DATADIR = datadir;	104	our $DATADIR = datadir;
91	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
92	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
93	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
94	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
95	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
99	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
100	our $PIDFILE = "$LOCALDIR/pid";	115	our $PIDFILE = "$LOCALDIR/pid";
101	our $RUNTIMEFILE = "$LOCALDIR/runtime";	116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
102		117
103	our %RESOURCE;	118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
104		125
105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
107	our $NEXT_TICK;	128	our $NEXT_TICK;
108	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
109		130
110	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
111	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
112	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
113	our $DB_ENV;	134	our $DB_ENV;
114		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
115	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
116		140
117	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
118	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
119	our $NOW;	144	our $NOW;
120		145
121	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
122	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
123	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
129	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
130	our $JITTER; # average jitter	155	our $JITTER; # average jitter
131	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
132		157
133	our @POST_INIT;	158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
134		165
135	binmode STDOUT;	166	binmode STDOUT;
136	binmode STDERR;	167	binmode STDERR;
137		168
138	# read virtual server time, if available	169	# read virtual server time, if available
…		…
140	open my $fh, "<", $RUNTIMEFILE	171	open my $fh, "<", $RUNTIMEFILE
141	or die "unable to read $RUNTIMEFILE file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
142	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
143	}	174	}
144		175
		176	eval "sub TICK() { $TICK } 1" or die;
		177
145	mkdir $_	178	mkdir $_
146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
147		180
148	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
149		182
150	sub cf::map::normalise;	183	sub cf::map::normalise;
151		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
152	#############################################################################	189	#############################################################################
153		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
154	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
155		203
156	=over 4	204	=over 4
157		205
158	=item $cf::UPTIME	206	=item $cf::UPTIME
159		207
160	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
161		224
162	=item $cf::RUNTIME	225	=item $cf::RUNTIME
163		226
164	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
165	every server tick.	228	every server tick.
166		229
167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
170		233
171	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
173	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
174	database environment.	237	database environment.
175		238
176	=item $cf::NOW
177
178	The time of the last (current) server tick.
179
180	=item $cf::TICK
181
182	The interval between server ticks, in seconds.
183
184	=item $cf::LOADAVG	239	=item $cf::LOADAVG
185		240
186	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
187	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
188	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
197	from wherever your confdir points to.	252	from wherever your confdir points to.
198		253
199	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
200		255
201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
202	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
204		277
205	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
206		279
207	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
209	that call.	282	that call.
210		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
211	=back	290	=back
212		291
213	=cut	292	=cut
214		293
215	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
216	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
217	my $msg = join "", @_;	301	my $msg = join "", @_;
218		302
219	$msg .= "\n"	303	$msg .= "\n"
220	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
221		305
222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
223		307
224	LOG llevError, $msg;	308	LOG llevWarn, $msg;
225	};	309	};
226	}
227		310
228	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
229	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
230		313
231	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
232	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
233	return;#d#	318	return;#d#
234	}#d#	319	}#d#
235		320
236	# kill coroutine otherwise	321	# kill coroutine otherwise
237	warn Carp::longmess $_[0];
238	Coro::terminate	322	Coro::terminate
239	};	323	};
240
241	$SIG{__DIE__} = sub { }; #d#?
242		324
243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
260	)) {	342	)) {
261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
262	}	344	}
263		345
264	$EV::DIED = sub {	346	$EV::DIED = sub {
265	warn "error in event callback: @_";	347	warn "error in event callback: $@";
266	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
267		354
268	#############################################################################	355	#############################################################################
269		356
270	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
271		358
…		…
292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
293	$d	380	$d
294	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
295	}	382	}
296		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
297	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
298		437
299	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
300		439
301	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
308		447
309	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
310	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
311		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
312	=item cf::post_init { BLOCK }	482	=item cf::post_init { BLOCK }
313		483
314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,	484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
315	but I<before> the server starts ticking again.	485	but I<before> the server starts ticking again.
316		486
317	The cdoeblock will have a single boolean argument to indicate whether this	487	The codeblock will have a single boolean argument to indicate whether this
318	is a reload or not.	488	is a reload or not.
319		489
320	=cut	490	=cut
321		491
322	sub post_init(&) {	492	sub post_init(&) {
323	push @POST_INIT, shift;	493	push @POST_INIT, shift;
324	}	494	}
325		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
326	=item cf::lock_wait $string	513	=item cf::lock_wait $string
327		514
328	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
329		516
330	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
331		518
332	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
334	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
335	returned.	522	returned.
336		523
337	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
338	deadlocked coro.	525	deadlocked coro.
…		…
344		531
345	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
346		533
347	=cut	534	=cut
348		535
349	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
350	our %LOCKER;#d#
351		537
352	sub lock_wait($) {	538	sub lock_wait($) {
353	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
354
355	if ($LOCKER{$key} == $Coro::current) {#d#
356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
357	return;#d#
358	}#d#
359
360	# wait for lock, if any
361	while ($LOCK{$key}) {
362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
363	push @{ $LOCK{$key} }, $Coro::current;
364	Coro::schedule;
365	}
366	}	540	}
367		541
368	sub lock_acquire($) {	542	sub lock_acquire($) {
369	my ($key) = @_;	543	$LOCKS->guard ($_[0])
370
371	# wait, to be sure we are not locked
372	lock_wait $key;
373
374	$LOCK{$key} = [];
375	$LOCKER{$key} = $Coro::current;#d#
376
377	Coro::guard {
378	delete $LOCKER{$key};#d#
379	# wake up all waiters, to be on the safe side
380	$_->ready for @{ delete $LOCK{$key} };
381	}
382	}	544	}
383		545
384	sub lock_active($) {	546	sub lock_active($) {
385	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
386
387	! ! $LOCK{$key}
388	}	548	}
389		549
390	sub freeze_mainloop {	550	sub freeze_mainloop {
391	tick_inhibit_inc;	551	tick_inhibit_inc;
392		552
393	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
394	}	554	}
395		555
396	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
397		557
398	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
399	get spread over timer.	559	get spread over time.
400		560
401	=cut	561	=cut
402		562
403	sub periodic($$) {	563	sub periodic($$) {
404	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
408	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
409	}	569	}
410		570
411	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
412		572
413	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
414	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
415	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
416		580
417	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
418	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
419		583
420	Useful for short background jobs.	584	Useful for short background jobs.
421		585
422	=cut	586	=cut
423		587
424	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
425	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
426		591
427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
428	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
429	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
430		595
431	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
432		598
433	while () {	599	while () {
434	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
435	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
436	if ($avail > 0.01) {	605
437	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
438	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
439	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
440	$job->[2]->send;	610	$job->[2]->send;
441	Coro::cede;
442	goto next_job;	611	goto next_job;
443	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
444	}	614	}
445	}	615	}
446		616
447	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
448	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
449	push @cf::WAIT_FOR_TICK, $signal;
450	$signal->wait;
451	} else {	619	} else {
		620	$busy = 0;
452	Coro::schedule;	621	Coro::schedule;
453	}	622	}
454	}	623	}
455	};	624	};
456		625
457	sub get_slot($;$$) {	626	sub get_slot($;$$) {
458	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
459		628
460	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
461		630
462	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
463	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
464		634
465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
467	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
493	=cut	663	=cut
494		664
495	sub sync_job(&) {	665	sub sync_job(&) {
496	my ($job) = @_;	666	my ($job) = @_;
497		667
498	if ($Coro::current == $Coro::main) {	668	if (in_main) {
499	my $time = EV::time;	669	my $time = AE::time;
500		670
501	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
502	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
503		673
504	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
505		675
506	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
507		677
508	my $busy = 1;	678	my $busy = 1;
509	my @res;	679	my @res;
510		680
511	(async {	681	(async {
512	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
513	@res = eval { $job->() };	683	@res = eval { $job->() };
514	warn $@ if $@;	684	error $@ if $@;
515	undef $busy;	685	undef $busy;
516	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
517		687
518	while ($busy) {	688	while ($busy) {
519	if (Coro::nready) {	689	if (Coro::nready) {
520	Coro::cede_notself;	690	Coro::cede_notself;
521	} else {	691	} else {
522	EV::loop EV::LOOP_ONESHOT;	692	EV::run EV::RUN_ONCE;
523	}	693	}
524	}	694	}
525		695
526	my $time = EV::time - $time;	696	my $time = AE::time - $time;
527		697
528	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
529		699
530	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
531	} else {	701	} else {
…		…
553	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
554		724
555	$coro	725	$coro
556	}	726	}
557		727
558	=item fork_call { }, $args	728	=item fork_call { }, @args
559		729
560	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
561	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
562	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
563	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
564		734
565	=cut	735	=cut
566		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
567	sub fork_call(&@) {	741	sub fork_call(&@) {
568	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
569		743
570	# we seemingly have to make a local copy of the whole thing,
571	# otherwise perl prematurely frees the stuff :/
572	# TODO: investigate and fix (likely this will be rather laborious)
573
574	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
575	reset_signals;	745	cf::post_fork;
576	&$cb	746	&$cb
577	}, @args;	747	} @args;
578		748
579	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
580	}	761	}
581		762
582	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
583		764
584	=cut	765	=cut
…		…
621	within each server.	802	within each server.
622		803
623	=cut	804	=cut
624		805
625	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
626	my ($name) = @_;	810	my ($name) = @_;
627	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
628		812
629	eval {	813	eval {
630	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
640	}	824	}
641		825
642	our $DB;	826	our $DB;
643		827
644	sub db_init {	828	sub db_init {
645	cf::sync_job {
646	$DB ||= db_table "db";	829	$DB ||= db_table "db";
647	};
648	}	830	}
649		831
650	sub db_get($$) {	832	sub db_get($$) {
651	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
652		834
653	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
654	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
655		839
656	$! ? ()	840	$! ? ()
657	: $data	841	: $data
658	}
659	}	842	}
660		843
661	sub db_put($$$) {	844	sub db_put($$$) {
662	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
691		874
692	my @data;	875	my @data;
693	my $md5;	876	my $md5;
694		877
695	for (0 .. $#$src) {	878	for (0 .. $#$src) {
696	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
697	or Carp::croak "$src->[$_]: $!";
698	}	880	}
699		881
700	# if processing is expensive, check	882	# if processing is expensive, check
701	# checksum first	883	# checksum first
702	if (1) {	884	if (1) {
…		…
715		897
716	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
717	}	899	}
718	}	900	}
719		901
720	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
721	my $data = $process->(\@data);	903	my $data = $process->(\@data);
722	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
723		905
724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
725		907
726	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
727	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
728	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
729		911
…		…
739		921
740	=cut	922	=cut
741		923
742	sub datalog($@) {	924	sub datalog($@) {
743	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
745	}	927	}
746		928
747	=back	929	=back
748		930
749	=cut	931	=cut
…		…
944		1126
945	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
946	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
947		1129
948	} elsif (ref $type) {	1130	} elsif (ref $type) {
949	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
950		1132
951	} else {	1133	} else {
952	shift @arg;	1134	shift @arg;
953	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
954	}	1136	}
955	}	1137	}
956	}	1138	}
957		1139
958	sub _object_attach {	1140	sub _object_attach {
…		…
968	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
969	}	1151	}
970		1152
971	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
972	} else {	1154	} else {
973	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
974	}	1156	}
975		1157
976	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
977	}	1159	}
978		1160
…		…
1037		1219
1038	for (@$callbacks) {	1220	for (@$callbacks) {
1039	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1040		1222
1041	if ($@) {	1223	if ($@) {
1042	warn "$@";
1043	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1044	override;	1225	override;
1045	}	1226	}
1046		1227
1047	return 1 if $override;	1228	return 1 if $override;
1048	}	1229	}
…		…
1127	for (@$attach) {	1308	for (@$attach) {
1128	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1129	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1130	}	1311	}
1131	} else {	1312	} else {
1132	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1133	}	1314	}
1134	}	1315	}
1135	}	1316	}
1136		1317
1137	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1164	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1165		1346
1166	sync_job {	1347	sync_job {
1167	if (length $$rdata) {	1348	if (length $$rdata) {
1168	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1169	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1170	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1171		1353
1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1173	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1175	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1176	aio_close $fh;	1361	aio_close $fh;
1177		1362
1178	if (@$objs) {	1363	if (@$objs) {
1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1180	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1182	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1183	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1184	aio_close $fh;	1372	aio_close $fh;
1185	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1186	}	1374	}
1187	} else {	1375	} else {
1188	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1189	}	1377	}
1190		1378
1191	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
1192		1380
1193	$filename =~ s%/[^/]+$%%;	1381	$filename =~ s%/[^/]+$%%;
1194	aio_pathsync $filename;	1382	aio_pathsync $filename if $cf::USE_FSYNC;
1195	} else {	1383	} else {
1196	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1197	}	1385	}
1198	} else {	1386	} else {
1199	aio_unlink $filename;	1387	aio_unlink $filename;
1200	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1201	}	1389	}
…		…
1225	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1226	$av = $st->{objs};	1414	$av = $st->{objs};
1227	}	1415	}
1228		1416
1229	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1230	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1231	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1232		1421
1233	($data, $av)	1422	($data, $av)
1234	}	1423	}
1235		1424
1236	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1240	=cut	1429	=cut
1241		1430
1242	#############################################################################	1431	#############################################################################
1243	# command handling &c	1432	# command handling &c
1244		1433
1245	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1246		1435
1247	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1248	$name.	1437	$name.
1249		1438
1250	=cut	1439	=cut
…		…
1256	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1257		1446
1258	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1259	}	1448	}
1260		1449
1261	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1262		1451
1263	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1264	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1265	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1266	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1267	has logged in successfully.	1456	has logged in successfully.
1268		1457
1269	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1270	called.
1271		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1272	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1273		1466
1274	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1275	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1276	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1277	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1278	log-in.	1471	log-in.
1279		1472
1280	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1281	called.
1282		1474
1283	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1284		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1285	sub register_extcmd {	1482	sub register_extcmd($$) {
1286	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1287		1484
1288	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1289	}	1486	}
1290		1487
1291	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1292	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1293		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1294	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1295	}	1498	}
1296		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1297	cf::player->attach (	1508	cf::player->attach (
1298	on_command => sub {	1509	on_unknown_command => sub {
1299	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1300		1511
1301	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1302	or return;	1513	or return;
1303		1514
…		…
1311	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1312		1523
1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1314		1525
1315	if (ref $msg) {	1526	if (ref $msg) {
1316	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1317	"ARRAY" eq ref $msg
1318	? @$msg
1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1320		1528
1321	my @reply;
1322
1323	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1324	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1325	}	1547	}
1326		1548
1327	$pl->ext_reply ($reply, @reply)
1328	if $reply;
1329
1330	} else {	1549	} else {
1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1332	}	1551	}
1333		1552
1334	cf::override;	1553	cf::override;
1335	},	1554	},
1336	);	1555	);
1337		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1338	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1339	cf::sync_job {	1586	cf::sync_job {
1340	my %todo;	1587	my %todo;
1341		1588
1342	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1343	next unless -r $path;	1590	next unless -r $path;
…		…
1361		1608
1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1364		1611
1365	$ext{source} =	1612	$ext{source} =
1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1367	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1368	. $source	1615	. $source
1369	. "\n};\n1";	1616	. "\n};\n1";
1370		1617
1371	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1372	}	1619	}
1373		1620
		1621	my $pass = 0;
1374	my %done;	1622	my %done;
1375	while (%todo) {	1623	while (%todo) {
1376	my $progress;	1624	my $progress;
1377		1625
		1626	++$pass;
		1627
		1628	ext:
1378	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1379	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1380	goto skip	1631	next ext
1381	unless exists $done{$_};	1632	unless exists $done{$_};
1382	}	1633	}
1383		1634
1384	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1385		1636
1386	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1387	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1388	: "$v->{base}: extension inactive.\n";
1389		1650
1390	if (exists $v->{meta}{mandatory}) {
1391	warn $msg;
1392	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1393	}	1652	if exists $v->{meta}{mandatory};
1394		1653
1395	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1396	}	1663	}
1397
1398	$done{$k} = delete $todo{$k};
1399	push @EXTS, $v->{pkg};
1400	$progress = 1;
1401	}	1664	}
1402		1665
1403	skip:	1666	unless ($progress) {
1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1405	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1406	}	1676	}
1407	};	1677	};
1408	}	1678	}
1409		1679
1410	#############################################################################	1680	#############################################################################
…		…
1494	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1495	}	1765	}
1496	}	1766	}
1497	}	1767	}
1498		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1499	sub save($) {	1782	sub save($) {
1500	my ($pl) = @_;	1783	my ($pl) = @_;
1501		1784
1502	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1503		1786
…		…
1508		1791
1509	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1510	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1511		1794
1512	cf::get_slot 0.01;	1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1513		1799
1514	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1515	cf::cede_to_tick;	1801	cf::cede_to_tick;
1516	}	1802	}
1517		1803
…		…
1551	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1552		1838
1553	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1555		1841
1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1557	$pl->deactivate;	1843	$pl->deactivate;
		1844
1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1559	$pl->ob->check_score;
1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1561	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1562		1850
1563	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1564	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1565	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1619	\@logins	1907	\@logins
1620	}	1908	}
1621		1909
1622	=item $player->maps	1910	=item $player->maps
1623		1911
		1912	=item cf::player::maps $login
		1913
1624	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1625	player. May block.	1915	player. May block.
1626		1916
1627	=cut	1917	=cut
1628		1918
…		…
1649		1939
1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1651		1941
1652	Expand deliantra pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1653		1943
1654	=item $player->ext_reply ($msgid, @msg)
1655
1656	Sends an ext reply to the player.
1657
1658	=cut
1659
1660	sub ext_reply($$@) {
1661	my ($self, $id, @msg) = @_;
1662
1663	$self->ns->ext_reply ($id, @msg)
1664	}
1665
1666	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1667		1945
1668	Sends an ext event to the client.	1946	Sends an ext event to the client.
1669		1947
1670	=cut	1948	=cut
…		…
1689		1967
1690	=cut	1968	=cut
1691		1969
1692	sub find_by_path($) {	1970	sub find_by_path($) {
1693	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1694		1974
1695	my ($match, $specificity);	1975	my ($match, $specificity);
1696		1976
1697	for my $region (list) {	1977	for my $region (list) {
1698	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	sub generate_random_map {	2007	sub generate_random_map {
1728	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1729		2009
1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1731		2011
1732	# mit "rum" bekleckern, nicht
1733	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	2013	}
1747		2014
1748	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1749		2016
1750	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1755		2022
1756	sub register {	2023	sub register {
1757	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	2025	my $pkg = caller;
1759		2026
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		2028
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	2030	}
1765		2031
1766	# also paths starting with '/'	2032	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		2034
1769	sub thawer_merge {	2035	sub thawer_merge {
1770	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1771		2037
1772	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1777	}	2043	}
1778		2044
1779	sub normalise {	2045	sub normalise {
1780	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1781		2047
1782	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1783		2049
1784	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1785		2051
1786	# map plan:	2052	# map plan:
1787	#	2053	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2069	$path = "$base/$path";
1804	}	2070	}
1805		2071
1806	for ($path) {	2072	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1810	}	2075	}
1811		2076
1812	$path	2077	$path
…		…
1826	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1827	return $self;	2092	return $self;
1828	}	2093	}
1829	}	2094	}
1830		2095
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2097	()
1833	}	2098	}
1834		2099
		2100	# may re-bless or do other evil things
1835	sub init {	2101	sub init {
1836	my ($self) = @_;	2102	my ($self) = @_;
1837		2103
1838	$self	2104	$self
1839	}	2105	}
…		…
1870		2136
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1873	}	2139	}
1874		2140
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}
1883
1884	sub decay_objects {	2141	sub decay_objects {
1885	my ($self) = @_;	2142	my ($self) = @_;
1886		2143
1887	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1888		2145
…		…
1913	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1914		2171
1915	1	2172	1
1916	}	2173	}
1917		2174
		2175	# used to laod the header of an original map
1918	sub load_header_orig {	2176	sub load_header_orig {
1919	my ($self) = @_;	2177	my ($self) = @_;
1920		2178
1921	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1922	}	2180	}
1923		2181
		2182	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2183	sub load_header_temp {
1925	my ($self) = @_;	2184	my ($self) = @_;
1926		2185
1927	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1928	}	2187	}
1929		2188
		2189	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2190	sub prepare_temp {
1931	my ($self) = @_;	2191	my ($self) = @_;
1932		2192
1933	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1935	# safety	2195	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2198	}
1939		2199
		2200	# called after loading the header from an original map
1940	sub prepare_orig {	2201	sub prepare_orig {
1941	my ($self) = @_;	2202	my ($self) = @_;
1942		2203
1943	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2229
1969	sub find;	2230	sub find;
1970	sub find {	2231	sub find {
1971	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1972		2233
		2234	cf::cede_to_tick;
		2235
1973	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1974		2237
1975	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2240
1978	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1980	my $guard2 = cf::lock_acquire "map_find:$path";
1981
1982	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1983	or return;	2243	or return;
1984		2244
1985	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1986		2246
…		…
1998		2258
1999	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2000	}	2260	}
2001	}	2261	}
2002		2262
2003	sub pre_load { }	2263	sub pre_load { }
2004	sub post_load { }	2264	#sub post_load { } # XS
2005		2265
2006	sub load {	2266	sub load {
2007	my ($self) = @_;	2267	my ($self) = @_;
2008		2268
2009	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2272
2013	{	2273	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2015		2275
2016	return unless $self->valid;	2276	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2278
2021	$self->alloc;	2279	$self->alloc;
2022		2280
2023	$self->pre_load;	2281	$self->pre_load;
2024	cf::cede_to_tick;	2282	cf::cede_to_tick;
2025		2283
		2284	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2286	$f->skip_block;
2028	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2029	or return;	2288	or return;
2030		2289
2031	$self->post_load_original	2290	$self->post_load_original
2032	if delete $self->{load_original};	2291	if delete $self->{load_original};
2033		2292
2034	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2294	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2297	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2041	}	2301	}
2042	}	2302	}
2043	}
2044		2303
2045	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
2046		2311
2047	cf::cede_to_tick;	2312	cf::cede_to_tick;
2048	# now do the right thing for maps	2313	# now do the right thing for maps
2049	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2320	$self->decay_objects;
2056	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2057	$self->update_buttons;	2322	$self->update_buttons;
2058	cf::cede_to_tick;	2323	cf::cede_to_tick;
2059	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2325	}
2063		2326
2064	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_ACTIVE);
2068	}	2329	}
2069		2330
2070	$self->post_load;	2331	$self->post_load;
2071	}
2072		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2339	sub customise_for {
2074	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2075		2341
2076	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2343	if $self->per_player;
…		…
2080	# if $self->per_party;	2346	# if $self->per_party;
2081		2347
2082	$self	2348	$self
2083	}	2349	}
2084		2350
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2351	sub find_sync {
2112	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2113		2353
2114	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2115	}	2359	}
2116		2360
2117	sub do_load_sync {	2361	sub do_load_sync {
2118	my ($map) = @_;	2362	my ($map) = @_;
2119		2363
		2364	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2122		2367
2123	cf::sync_job { $map->load };	2368	$map->load;
2124	}	2369	}
2125		2370
2126	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2128		2373
2129	sub find_async {	2374	sub find_async {
2130	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2131		2376
2132	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2133		2378
2134	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2136	}	2381	}
2137		2382
2138	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2139		2384
2140	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
2141	$Coro::current->{desc} = "map prefetcher";	2386	$Coro::current->{desc} = "map prefetcher";
2142		2387
2143	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
2144	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	for my $k (keys %MAP_PREFETCH) {
2145	if (my $map = find $k) {	2390	if (my $map = find $k) {
2146	$map->load if $v;	2391	$map->load if $v;
2147	}	2392	}
2148		2393
2149	delete $MAP_PREFETCH{$k};	2394	delete $MAP_PREFETCH{$k};
…		…
2154	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2155		2400
2156	()	2401	()
2157	}	2402	}
2158		2403
		2404	# common code, used by both ->save and ->swapout
2159	sub save {	2405	sub _save {
2160	my ($self) = @_;	2406	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2407
2164	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2165		2409
2166	return unless $self->dirty;	2410	return unless $self->dirty;
2167		2411
…		…
2187	} else {	2431	} else {
2188	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2189	}	2433	}
2190	}	2434	}
2191		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2192	sub swap_out {	2444	sub swap_out {
2193	my ($self) = @_;	2445	my ($self) = @_;
2194		2446
2195	# save first because save cedes
2196	$self->save;
2197
2198	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2199		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2200	return if $self->players;	2451	return if $self->players;
2201	return if $self->in_memory != cf::MAP_ACTIVE;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2202	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2203		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2204	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2205		2503
2206	$self->deactivate;	2504	$self->deactivate;
2207	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2208	$self->clear;	2506	$self->clear;
2209	}
2210
2211	sub reset_at {
2212	my ($self) = @_;
2213
2214	# TODO: safety, remove and allow resettable per-player maps
2215	return 1e99 if $self->{deny_reset};
2216
2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2219
2220	$time + $to
2221	}
2222
2223	sub should_reset {
2224	my ($self) = @_;
2225
2226	$self->reset_at <= $cf::RUNTIME
2227	}
2228
2229	sub reset {
2230	my ($self) = @_;
2231
2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
2233
2234	return if $self->players;
2235
2236	warn "resetting map ", $self->path;
2237
2238	$self->in_memory (cf::MAP_SWAPPED);
2239
2240	# need to save uniques path
2241	unless ($self->{deny_save}) {
2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
2243
2244	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2245	if $uniq;
2246	}
2247
2248	delete $cf::MAP{$self->path};
2249
2250	$self->deactivate;
2251	$_->clear_links_to ($self) for values %cf::MAP;
2252	$self->clear;
2253		2507
2254	$self->unlink_save;	2508	$self->unlink_save;
2255	$self->destroy;	2509	$self->destroy;
2256	}	2510	}
2257		2511
…		…
2265		2519
2266	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2267		2521
2268	$self->unlink_save;	2522	$self->unlink_save;
2269		2523
2270	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2271	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2272	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2273	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2275		2529
…		…
2332	: normalise $_	2586	: normalise $_
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2588	]
2335	}	2589	}
2336		2590
		2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
		2622
2337	=back	2623	=back
2338		2624
2339	=head3 cf::object	2625	=head3 cf::object
2340		2626
2341	=cut	2627	=cut
…		…
2364		2650
2365	Creates and returns a persistent reference to an object that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2366		2652
2367	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2368		2654
2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2370	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2371		2657
2372	=cut	2658	=cut
2373		2659
2374	sub deref {	2660	sub deref {
…		…
2406		2692
2407	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2408	id => "say",	2694	id => "say",
2409	title => "Map",	2695	title => "Map",
2410	reply => "say ",	2696	reply => "say ",
2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2412	};	2698	};
2413		2699
2414	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2415	id => "chat",	2701	id => "chat",
2416	title => "Chat",	2702	title => "Chat",
…		…
2456	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2457		2743
2458	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2459	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2460		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2461	=cut	2772	=cut
2462		2773
2463	sub cf::object::player::may {	2774	sub cf::object::player::may {
2464	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2465		2776
2466	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2467	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2468	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2469	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2470	}	2781	}
2471		2782
2472	=item $player_object->enter_link	2783	=item $player_object->enter_link
2473		2784
2474	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2475		2786
2476	The player should be reasonably safe there for short amounts of time (e.g.	2787	The player should be reasonably safe there for short amounts of time (e.g.
2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2478	though, as the palyer cannot control the character while it is on the link	2789	though, as the player cannot control the character while it is on the link
2479	map.	2790	map.
2480		2791
2481	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2482		2799
2483	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2484		2801
2485	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2486	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2504	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2505	my ($self) = @_;	2822	my ($self) = @_;
2506		2823
2507	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2508		2825
		2826	++$self->{_link_recursion};
		2827
2509	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2510		2829
2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2512	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2513		2832
2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2515	}	2834	}
2516		2835
2517	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2518	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2519		2838
…		…
2536	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2537	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2538		2857
2539	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2540	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2541	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2542		2861
2543	$map->load;	2862	$map->load;
2544	$map->load_neighbours;
2545		2863
2546	return unless $self->contr->active;	2864	return unless $self->contr->active;
2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2548	$self->activate_recursive;
2549		2865
2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2551	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2552	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2553		2873
		2874	}
		2875
2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2555		2877
2556	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2557	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2558	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2559	the new (success) or old (failed) map position. In either case, $done will	2881	the new (success) or old (failed) map position. In either case, $done will
…		…
2566		2888
2567	our $GOTOGEN;	2889	our $GOTOGEN;
2568		2890
2569	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2570	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
2571		2899
2572	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2574		2902
2575	$self->enter_link;	2903	$self->enter_link;
…		…
2595	($path, $x, $y) = (undef, undef, undef);	2923	($path, $x, $y) = (undef, undef, undef);
2596	}	2924	}
2597	}	2925	}
2598		2926
2599	my $map = eval {	2927	my $map = eval {
2600	my $map = defined $path ? cf::map::find $path : undef;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2601		2929
2602	if ($map) {	2930	if ($map) {
2603	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2604	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2605	} else {	2933	} else {
2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2607	}	2935	}
2608		2936
2609	$map	2937	$map
…		…
2617	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2618	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2619	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2620	}	2948	}
2621		2949
2622	$done->() if $done;	2950	$done->($self) if $done;
2623	})->prio (1);	2951	})->prio (1);
2624	}	2952	}
2625		2953
2626	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2627		2955
…		…
2695	$Coro::current->{desc} = "enter_exit";	3023	$Coro::current->{desc} = "enter_exit";
2696		3024
2697	unless (eval {	3025	unless (eval {
2698	$self->deactivate_recursive; # just to be sure	3026	$self->deactivate_recursive; # just to be sure
2699		3027
2700	# random map handling
2701	{
2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
2703
2704	prepare_random_map $exit
2705	if $exit->slaying eq "/!";
2706	}
2707
2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
2709	my $x = $exit->stats->hp;	3029	my $x = $exit->stats->hp;
2710	my $y = $exit->stats->sp;	3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
2711		3054
2712	$self->goto ($map, $x, $y);	3055	$self->goto ($map, $x, $y);
2713		3056
2714	# if exit is damned, update players death & WoR home-position	3057	# if exit is damned, update players death & WoR home-position
2715	$self->contr->savebed ($map, $x, $y)	3058	$self->contr->savebed ($map, $x, $y)
…		…
2720	$self->message ("Something went wrong deep within the deliantra server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2721	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2722	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2723	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2724		3067
2725	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2726	$self->leave_link;	3069	$self->leave_link;
2727	}	3070	}
2728	})->prio (1);	3071	})->prio (1);
2729	}	3072	}
2730		3073
2731	=head3 cf::client	3074	=head3 cf::client
2732		3075
2733	=over 4	3076	=over 4
2734		3077
2735	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2736		3079
2737	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2738	should not be used under normal circumstances.	3081	them as required.
2739		3082
2740	=cut	3083	=cut
2741		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2742	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2743	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2744		3089
2745	utf8::encode $text;	3090	# try lzf for large packets
2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
2747	}	3101	}
2748		3102
2749	=item $client->send_msg ($channel, $msg, $color, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2750		3104
2751	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2752	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2753	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2754	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2755		3109
2756	=cut	3110	=cut
2757		3111
2758	# non-persistent channels (usually the info channel)	3112	# non-persistent channels (usually the info channel)
2759	our %CHANNEL = (	3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
2760	"c/identify" => {	3120	"c/identify" => {
2761	id => "infobox",	3121	id => "infobox",
2762	title => "Identify",	3122	title => "Identify",
2763	reply => undef,	3123	reply => undef,
2764	tooltip => "Items recently identified",	3124	tooltip => "Items recently identified",
…		…
2766	"c/examine" => {	3126	"c/examine" => {
2767	id => "infobox",	3127	id => "infobox",
2768	title => "Examine",	3128	title => "Examine",
2769	reply => undef,	3129	reply => undef,
2770	tooltip => "Signs and other items you examined",	3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
2771	},	3137	},
2772	"c/book" => {	3138	"c/book" => {
2773	id => "infobox",	3139	id => "infobox",
2774	title => "Book",	3140	title => "Book",
2775	reply => undef,	3141	reply => undef,
…		…
2791	id => "infobox",	3157	id => "infobox",
2792	title => "Body Parts",	3158	title => "Body Parts",
2793	reply => undef,	3159	reply => undef,
2794	tooltip => "Shows which body parts you posess and are available",	3160	tooltip => "Shows which body parts you posess and are available",
2795	},	3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
2796	"c/skills" => {	3168	"c/skills" => {
2797	id => "infobox",	3169	id => "infobox",
2798	title => "Skills",	3170	title => "Skills",
2799	reply => undef,	3171	reply => undef,
2800	tooltip => "Shows your experience per skill and item power",	3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
2801	},	3197	},
2802	"c/uptime" => {	3198	"c/uptime" => {
2803	id => "infobox",	3199	id => "infobox",
2804	title => "Uptime",	3200	title => "Uptime",
2805	reply => undef,	3201	reply => undef,
…		…
2815	id => "party",	3211	id => "party",
2816	title => "Party",	3212	title => "Party",
2817	reply => "gsay ",	3213	reply => "gsay ",
2818	tooltip => "Messages and chat related to your party",	3214	tooltip => "Messages and chat related to your party",
2819	},	3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
2820	);	3230	);
2821		3231
2822	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2823	my ($self, $channel, $msg, $color, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2824		3234
…		…
2829		3239
2830	# check predefined channels, for the benefit of C	3240	# check predefined channels, for the benefit of C
2831	if ($CHANNEL{$channel}) {	3241	if ($CHANNEL{$channel}) {
2832	$channel = $CHANNEL{$channel};	3242	$channel = $CHANNEL{$channel};
2833		3243
2834	$self->ext_msg (channel_info => $channel)	3244	$self->ext_msg (channel_info => $channel);
2835	if $self->can_msg;
2836
2837	$channel = $channel->{id};	3245	$channel = $channel->{id};
2838		3246
2839	} elsif (ref $channel) {	3247	} elsif (ref $channel) {
2840	# send meta info to client, if not yet sent	3248	# send meta info to client, if not yet sent
2841	unless (exists $self->{channel}{$channel->{id}}) {	3249	unless (exists $self->{channel}{$channel->{id}}) {
2842	$self->{channel}{$channel->{id}} = $channel;	3250	$self->{channel}{$channel->{id}} = $channel;
2843	$self->ext_msg (channel_info => $channel)	3251	$self->ext_msg (channel_info => $channel);
2844	if $self->can_msg;
2845	}	3252	}
2846		3253
2847	$channel = $channel->{id};	3254	$channel = $channel->{id};
2848	}	3255	}
2849		3256
2850	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2851		3258
2852	if ($self->can_msg) {
2853	# default colour, mask it out	3259	# default colour, mask it out
2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2855	if $color & cf::NDI_DEF;	3261	if $color & cf::NDI_DEF;
2856		3262
2857	my $pkt = "msg "	3263	my $pkt = "msg "
2858	. $self->{json_coder}->encode (	3264	. $self->{json_coder}->encode (
2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2860	);	3266	);
2861		3267
2862	# try lzf for large packets
2863	$pkt = "lzf " . Compress::LZF::compress $pkt
2864	if 1024 <= length $pkt and $self->{can_lzf};
2865
2866	# split very large packets
2867	if (8192 < length $pkt and $self->{can_lzf}) {
2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2869	$pkt = "frag";
2870	}
2871
2872	$self->send_packet ($pkt);	3268	$self->send_big_packet ($pkt);
2873	} else {
2874	if ($color >= 0) {
2875	# replace some tags by gcfclient-compatible ones
2876	for ($msg) {
2877	1 while
2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2883	}
2884
2885	$color &= cf::NDI_COLOR_MASK;
2886
2887	utf8::encode $msg;
2888
2889	if (0 && $msg =~ /\[/) {
2890	# COMMAND/INFO
2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
2892	} else {
2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2894	$self->send_packet ("drawinfo $color $msg")
2895	}
2896	}
2897	}
2898	}	3269	}
2899		3270
2900	=item $client->ext_msg ($type, @msg)	3271	=item $client->ext_msg ($type, @msg)
2901		3272
2902	Sends an ext event to the client.	3273	Sends an ext event to the client.
…		…
2904	=cut	3275	=cut
2905		3276
2906	sub cf::client::ext_msg($$@) {	3277	sub cf::client::ext_msg($$@) {
2907	my ($self, $type, @msg) = @_;	3278	my ($self, $type, @msg) = @_;
2908		3279
2909	if ($self->extcmd == 2) {
2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2911	} elsif ($self->extcmd == 1) { # TODO: remove
2912	push @msg, msgtype => "event_$type";
2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2914	}
2915	}
2916
2917	=item $client->ext_reply ($msgid, @msg)
2918
2919	Sends an ext reply to the client.
2920
2921	=cut
2922
2923	sub cf::client::ext_reply($$@) {
2924	my ($self, $id, @msg) = @_;
2925
2926	if ($self->extcmd == 2) {
2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2928	} elsif ($self->extcmd == 1) {
2929	#TODO: version 1, remove
2930	unshift @msg, msgtype => "reply", msgid => $id;
2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2932	}
2933	}	3281	}
2934		3282
2935	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2936		3284
2937	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2957		3305
2958	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2959	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2960		3308
2961	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2962	}	3349	}
2963		3350
2964	cf::client->attach (	3351	cf::client->attach (
2965	on_connect => sub {	3352	on_connect => sub {
2966	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2992	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2993		3380
2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2995		3382
2996	if (ref $msg) {	3383	if (ref $msg) {
2997	my ($type, $reply, @payload) =	3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2998	"ARRAY" eq ref $msg
2999	? @$msg
3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3001		3385
3002	my @reply;
3003
3004	if (my $cb = $EXTICMD{$type}) {	3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
3005	@reply = $cb->($ns, @payload);	3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
3006	}	3404	}
3007
3008	$ns->ext_reply ($reply, @reply)
3009	if $reply;
3010
3011	} else {	3405	} else {
3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3013	}	3407	}
3014		3408
3015	cf::override;	3409	cf::override;
3016	},	3410	},
3017	);	3411	);
…		…
3037		3431
3038	$coro	3432	$coro
3039	}	3433	}
3040		3434
3041	cf::client->attach (	3435	cf::client->attach (
3042	on_destroy => sub {	3436	on_client_destroy => sub {
3043	my ($ns) = @_;	3437	my ($ns) = @_;
3044		3438
3045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3046	},	3440	},
3047	);	3441	);
…		…
3063	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
3064		3458
3065	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
3066		3460
3067	$safe->permit_only (Opcode::opset qw(	3461	$safe->permit_only (Opcode::opset qw(
3068	:base_core :base_mem :base_orig :base_math	3462	:base_core :base_mem :base_orig :base_math :base_loop
3069	grepstart grepwhile mapstart mapwhile	3463	grepstart grepwhile mapstart mapwhile
3070	sort time	3464	sort time
3071	));	3465	));
3072		3466
3073	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
…		…
3077	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
3078		3472
3079	cf::object	3473	cf::object
3080	contr pay_amount pay_player map x y force_find force_add destroy	3474	contr pay_amount pay_player map x y force_find force_add destroy
3081	insert remove name archname title slaying race decrease split	3475	insert remove name archname title slaying race decrease split
		3476	value
3082		3477
3083	cf::object::player	3478	cf::object::player
3084	player	3479	player
3085		3480
3086	cf::player	3481	cf::player
…		…
3092	=cut	3487	=cut
3093		3488
3094	for (	3489	for (
3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3096	insert remove inv nrof name archname title slaying race	3491	insert remove inv nrof name archname title slaying race
3097	decrease split destroy change_exp)],	3492	decrease split destroy change_exp value msg lore send_msg)],
3098	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
3099	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
3100	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
3101	) {	3496	) {
3102	no strict 'refs';
3103	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3105	for @funs;	3499	for @funs;
3106	}	3500	}
3107		3501
…		…
3122		3516
3123	my $qcode = $code;	3517	my $qcode = $code;
3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3125	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
3126		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
3127	local $_;	3524	local $_;
3128	local @safe::cf::_safe_eval_args = values %vars;
3129		3525
3130	my $eval =	3526	my $eval =
3131	"do {\n"	3527	"do {\n"
3132	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3133	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
3134	. $code	3530	. $code
3135	. "\n}"	3531	. "\n}"
3136	;	3532	;
3137		3533
		3534	if ($CFG{safe_eval}) {
3138	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
3139	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3140	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
3141		3543
3142	if ($@) {	3544	if ($@) {
3143	warn "$@";	3545	warn "$@",
3144	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
3145	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
3146	}	3548	}
3147		3549
3148	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
3149	}	3551	}
3150		3552
…		…
3164	=cut	3566	=cut
3165		3567
3166	sub register_script_function {	3568	sub register_script_function {
3167	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
3168		3570
3169	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
3170	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
3171	}	3573	}
3172		3574
3173	=back	3575	=back
3174		3576
3175	=cut	3577	=cut
3176		3578
3177	#############################################################################	3579	#############################################################################
3178	# the server's init and main functions	3580	# the server's init and main functions
3179		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
3180	sub load_facedata($) {	3659	sub load_facedata($) {
3181	my ($path) = @_;	3660	my ($path) = @_;
3182		3661
3183	# HACK to clear player env face cache, we need some signal framework
3184	# for this (global event?)
3185	%ext::player_env::MUSIC_FACE_CACHE = ();
3186
3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3188		3663
3189	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
3190		3665
3191	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
3192	0 < aio_load $path, $facedata
3193	or die "$path: $!";
3194
3195	$facedata = Coro::Storable::thaw $facedata;
3196		3667
3197	$facedata->{version} == 2	3668	$facedata->{version} == 2
3198	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3199		3670
3200	# patch in the exptable	3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3201	$facedata->{resource}{"res/exp_table"} = {	3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3202	type => FT_RSRC,	3673
3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3204	};	3675
3205	cf::cede_to_tick;	3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
3206		3679
3207	{	3680	{
3208	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
3209		3682
3210	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3212		3686
3213	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
3214	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3217		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3218	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
3219	}	3694	}
3220		3695
3221	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
3222	next unless $info->{smooth};	3697	next unless $info->{smooth};
3223		3698
…		…
3226		3701
3227	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
3228	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3230	} else {	3705	} else {
3231	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
3232	}	3707	}
3233
3234	cf::cede_to_tick;
3235	}	3708	}
3236	}	3709	}
3237		3710
3238	{	3711	{
3239	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
3240		3713
3241	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
3242	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
3243	cf::cede_to_tick;
3244	}	3716	}
3245		3717
3246	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
3247	}	3719	}
3248		3720
3249	{	3721	{
3250	# TODO: for gcfclient pleasure, we should give resources
3251	# that gcfclient doesn't grok a >10000 face index.
3252	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
3253		3723
3254	while (my ($name, $info) = each %$res) {	3724	while (my ($name, $info) = each %$res) {
3255	if (defined $info->{type}) {	3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3257	my $data;
3258		3728
3259	if ($info->{type} & 1) {
3260	# prepend meta info
3261
3262	my $meta = $enc->encode ({
3263	name => $name,
3264	%{ $info->{meta} || {} },
3265	});
3266
3267	$data = pack "(w/a*)*", $meta, $info->{data};
3268	} else {
3269	$data = $info->{data};
3270	}
3271
3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3273	cf::face::set_type $idx, $info->{type};	3729	cf::face::set_type $idx, $type;
		3730	cf::face::set_csum $idx, 0, $info->{hash};
		3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
3274	} else {	3735	} else {
3275	$RESOURCE{$name} = $info;	3736	# $RESOURCE{$name} = $info; # unused
3276	}	3737	}
3277
3278	cf::cede_to_tick;
3279	}	3738	}
3280	}	3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
3281		3750
3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3283		3752
		3753	aio_close $fh if $fh; # close old facedata
		3754
3284	1	3755	1
3285	}	3756	}
3286
3287	cf::global->attach (on_resource_update => sub {
3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3290
3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3292	my $sound = $soundconf->{compat}[$_]
3293	or next;
3294
3295	my $face = cf::face::find "sound/$sound->[1]";
3296	cf::sound::set $sound->[0] => $face;
3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3298	}
3299
3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
3301	my $face = cf::face::find "sound/$v";
3302	cf::sound::set $k => $face;
3303	}
3304	}
3305	});
3306		3757
3307	register_exticmd fx_want => sub {	3758	register_exticmd fx_want => sub {
3308	my ($ns, $want) = @_;	3759	my ($ns, $want) = @_;
3309		3760
3310	while (my ($k, $v) = each %$want) {	3761	while (my ($k, $v) = each %$want) {
…		…
3318	my $status = load_resource_file_ $_[0];	3769	my $status = load_resource_file_ $_[0];
3319	get_slot 0.1, 100;	3770	get_slot 0.1, 100;
3320	cf::arch::commit_load;	3771	cf::arch::commit_load;
3321		3772
3322	$status	3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
3323	}	3788	}
3324		3789
3325	sub reload_regions {	3790	sub reload_regions {
3326	# HACK to clear player env face cache, we need some signal framework	3791	# HACK to clear player env face cache, we need some signal framework
3327	# for this (global event?)	3792	# for this (global event?)
…		…
3335	if exists $_->{match};	3800	if exists $_->{match};
3336	}	3801	}
3337	}	3802	}
3338		3803
3339	sub reload_facedata {	3804	sub reload_facedata {
3340	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
3341	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
3342	}	3807	}
3343		3808
3344	sub reload_archetypes {	3809	sub reload_archetypes {
3345	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
3346	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
		3812
		3813	cf::face::set
		3814	"res/skill_info" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
3347	}	3838	}
3348		3839
3349	sub reload_treasures {	3840	sub reload_treasures {
3350	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
3351	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
3352	}	3843	}
3353		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
3354	sub reload_resources {	3865	sub reload_resources {
3355	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
3356		3867
		3868	reload_materials;
3357	reload_facedata;	3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
3358	reload_archetypes;	3872	reload_archetypes;
3359	reload_regions;	3873	reload_regions;
3360	reload_treasures;	3874	reload_treasures;
3361		3875
3362	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
3363	}	3877	}
3364		3878
3365	sub reload_config {	3879	sub reload_config {
3366	open my $fh, "<:utf8", "$CONFDIR/config"	3880	trace "reloading config file...\n";
3367	or return;
3368		3881
3369	local $/;	3882	my $config = load_file "$CONFDIR/config";
3370	*CFG = YAML::Load <$fh>;	3883	utf8::decode $config;
		3884	*CFG = decode_yaml $config;
3371		3885
3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3373		3887
3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3376		3890
3377	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
3400		3914
3401	seek $fh, 0, 0;	3915	seek $fh, 0, 0;
3402	print $fh $$;	3916	print $fh $$;
3403	}	3917	}
3404		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
3405	sub main {	3928	sub main {
3406	cf::init_globals; # initialise logging	3929	cf::init_globals; # initialise logging
3407		3930
3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;	3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";	3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";	3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";	3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3412		3935
3413	cf::init_experience;
3414	cf::init_anim;
3415	cf::init_attackmess;
3416	cf::init_dynamic;
3417	cf::init_block;
3418
3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3420		3937
3421	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
3422	local $Coro::idle = sub {	3939	$Coro::idle = sub {
3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3424	(async {	3941	(async {
3425	$Coro::current->{desc} = "IDLE BUG HANDLER";	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
3426	EV::loop EV::LOOP_ONESHOT;	3943	EV::run EV::RUN_ONCE;
3427	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
3428	};	3945	};
3429		3946
3430	evthread_start IO::AIO::poll_fileno;	3947	evthread_start IO::AIO::poll_fileno;
3431		3948
3432	cf::sync_job {	3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
		3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
3433	reload_resources;	3960	reload_resources;
3434	reload_config;	3961	reload_config;
3435	db_init;
3436		3962
3437	cf::load_settings;
3438	cf::load_materials;
3439	cf::init_uuid;	3963	cf::init_uuid;
3440	cf::init_signals;	3964	cf::init_signals;
3441	cf::init_commands;
3442	cf::init_skills;	3965	cf::init_skills;
3443		3966
3444	cf::init_beforeplay;	3967	cf::init_beforeplay;
3445		3968
3446	atomic;	3969	atomic;
…		…
3448	load_extensions;	3971	load_extensions;
3449		3972
3450	utime time, time, $RUNTIMEFILE;	3973	utime time, time, $RUNTIMEFILE;
3451		3974
3452	# no (long-running) fork's whatsoever before this point(!)	3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3454		3978
3455	(pop @POST_INIT)->(0) while @POST_INIT;	3979	cf::_post_init 0;
3456	};	3980	};
3457		3981
3458	EV::loop;	3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
3459	}	3990	}
3460		3991
3461	#############################################################################	3992	#############################################################################
3462	# initialisation and cleanup	3993	# initialisation and cleanup
3463		3994
3464	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
3465	BEGIN {	3996	BEGIN {
3466	our %SIGWATCHER = ();	3997	our %SIGWATCHER = ();
3467	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3469	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
3470	};	4001	};
3471	}	4002	}
3472	}	4003	}
3473		4004
3474	sub write_runtime_sync {	4005	sub write_runtime_sync {
		4006	my $t0 = AE::time;
		4007
3475	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
3476	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
3477		4010
3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3479		4012
3480	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
3481		4014
3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3483	or return;	4016	or return;
3484		4017
3485	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
3486	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
3487	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
3500	or return;	4033	or return;
3501		4034
3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3503	and return;	4036	and return;
3504		4037
3505	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3506		4039
3507	1	4040	1
3508	}	4041	}
3509		4042
3510	our $uuid_lock;	4043	our $uuid_lock;
…		…
3522	or return;	4055	or return;
3523		4056
3524	my $value = uuid_seq uuid_cur;	4057	my $value = uuid_seq uuid_cur;
3525		4058
3526	unless ($value) {	4059	unless ($value) {
3527	warn "cowardly refusing to write zero uuid value!\n";	4060	info "cowardly refusing to write zero uuid value!\n";
3528	return;	4061	return;
3529	}	4062	}
3530		4063
3531	my $value = uuid_str $value + $uuid_skip;	4064	my $value = uuid_str $value + $uuid_skip;
3532	$uuid_skip = 0;	4065	$uuid_skip = 0;
…		…
3542	or return;	4075	or return;
3543		4076
3544	aio_rename "$uuid~", $uuid	4077	aio_rename "$uuid~", $uuid
3545	and return;	4078	and return;
3546		4079
3547	warn "uuid file written ($value).\n";	4080	trace "uuid file written ($value).\n";
3548		4081
3549	1	4082	1
3550		4083
3551	}	4084	}
3552		4085
…		…
3558	}	4091	}
3559		4092
3560	sub emergency_save() {	4093	sub emergency_save() {
3561	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
3562		4095
3563	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
3564		4102
3565	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
3566	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
3567	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
3568	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
3569	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
3570	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
3571	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
3572	$pl->valid or next;	4112	$pl->valid or next;
3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3574	$pl->save;	4114	$pl->save;
3575	}	4115	}
3576	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
3577		4117
3578	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
3579	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
3580	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
3581	$map->valid or next;	4123	$map->valid or next;
3582	$map->save;	4124	$map->save;
3583	}	4125	}
3584	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
3585		4127
3586	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
3587	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
3588	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
3589		4133
3590	warn "begin write uuid\n";	4134	info "emergency_perl_save: begin write uuid\n";
3591	write_uuid_sync 1;	4135	write_uuid_sync 1;
3592	warn "end write uuid\n";	4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
3593	};	4156	};
3594		4157
3595	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
3596	}	4159	}
3597		4160
3598	sub post_cleanup {	4161	sub post_cleanup {
3599	my ($make_core) = @_;	4162	my ($make_core) = @_;
3600		4163
		4164	IO::AIO::flush;
		4165
3601	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
3602	if $make_core;	4167	if $make_core;
3603		4168
3604	my $fh = pidfile;	4169	my $fh = pidfile;
3605	unlink $PIDFILE if <$fh> == $$;	4170	unlink $PIDFILE if <$fh> == $$;
3606	}	4171	}
…		…
3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3627	for my $name (keys %$leaf_symtab) {	4192	for my $name (keys %$leaf_symtab) {
3628	_gv_clear *{"$pkg$name"};	4193	_gv_clear *{"$pkg$name"};
3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3630	}	4195	}
3631	warn "cleared package $pkg\n";#d#
3632	}	4196	}
3633		4197
3634	sub do_reload_perl() {	4198	sub do_reload_perl() {
3635	# can/must only be called in main	4199	# can/must only be called in main
3636	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
3637	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
3638	return;	4202	return;
3639	}	4203	}
3640		4204
3641	return if $RELOAD++;	4205	return if $RELOAD++;
3642		4206
		4207	my $t1 = AE::time;
		4208
3643	while ($RELOAD) {	4209	while ($RELOAD) {
3644	warn "reloading...";	4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
3645		4212
3646	warn "entering sync_job";	4213	trace "perl_reload: entering sync_job";
3647		4214
3648	cf::sync_job {	4215	cf::sync_job {
3649	cf::write_runtime_sync; # external watchdog should not bark
3650	cf::emergency_save;	4216	#cf::emergency_save;
3651	cf::write_runtime_sync; # external watchdog should not bark
3652		4217
3653	warn "syncing database to disk";
3654	BDB::db_env_txn_checkpoint $DB_ENV;
3655
3656	# if anything goes wrong in here, we should simply crash as we already saved
3657
3658	warn "flushing outstanding aio requests";
3659	while (IO::AIO::nreqs || BDB::nreqs) {
3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3661	}
3662
3663	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3664	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3665	%EXT_CORO = ();	4220	%EXT_CORO = ();
3666		4221
3667	warn "removing commands";	4222	trace "perl_reload: removing commands";
3668	%COMMAND = ();	4223	%COMMAND = ();
3669		4224
3670	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3671	%EXTCMD = ();	4226	%EXTCMD = ();
3672	%EXTICMD = ();	4227	%EXTICMD = ();
3673		4228
3674	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3675	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3676	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3677		4232
3678	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3679	eval {	4234	eval {
3680	$cb->($pkg);	4235	$cb->($pkg);
3681	1	4236	1
3682	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
3683	}	4238	}
3684		4239
3685	warn "... clearing $pkg";	4240	trace "... clearing $pkg";
3686	clear_package $pkg;	4241	clear_package $pkg;
3687	}	4242	}
3688		4243
3689	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3690	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3692		4247
3693	warn "... unloading $k";	4248	trace "... unloading $k";
3694	delete $INC{$k};	4249	delete $INC{$k};
3695		4250
3696	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3697	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3698		4253
…		…
3701	}	4256	}
3702		4257
3703	clear_package $k;	4258	clear_package $k;
3704	}	4259	}
3705		4260
3706	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3707	clear_package "safe::$_"	4262	clear_package "safe::$_"
3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3709		4264
3710	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3711	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3712	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3713		4268
3714	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3715	# and global variables created in xs	4270	# and global variables created in xs
3716	#clear_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3717		4272
3718	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3719		4274
3720	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3721	require cf;	4276	require cf;
3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3723		4278
3724	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3725	cf::reload_config;	4280	cf::reload_config;
3726		4281
3727	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3728	cf::load_extensions;	4283	cf::load_extensions;
3729		4284
		4285	if ($REATTACH_ON_RELOAD) {
3730	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3731	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3732	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3733	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3734	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3735	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3736		4293
3737	warn "running post_load";	4294	cf::_post_init 1;
3738	(pop @POST_INIT)->(1) while @POST_INIT;
3739		4295
3740	warn "leaving sync_job";	4296	trace "perl_reload: leaving sync_job";
3741		4297
3742	1	4298	1
3743	} or do {	4299	} or do {
3744	warn $@;	4300	error $@;
3745	cf::cleanup "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3746	};	4302	};
3747		4303
3748	warn "reloaded";
3749	--$RELOAD;	4304	--$RELOAD;
3750	}	4305	}
		4306
		4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3751	};	4309	};
3752		4310
3753	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3754		4312
3755	sub reload_perl() {	4313	sub reload_perl() {
3756	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3757	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3758		4316
		4317	$RELOAD_WATCHER ||= cf::async {
		4318	Coro::AIO::aio_wait cache_extensions;
		4319
3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3760	do_reload_perl;	4321	do_reload_perl;
3761	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
		4323	};
3762	};	4324	};
3763	}	4325	}
3764		4326
3765	register_command "reload" => sub {	4327	register_command "reload" => sub {
3766	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
…		…
3772	reload_perl;	4334	reload_perl;
3773	};	4335	};
3774	}	4336	}
3775	};	4337	};
3776		4338
3777	unshift @INC, $LIBDIR;	4339	#############################################################################
3778		4340
3779	my $bug_warning = 0;	4341	my $bug_warning = 0;
3780		4342
3781	our @WAIT_FOR_TICK;
3782	our @WAIT_FOR_TICK_BEGIN;
3783
3784	sub wait_for_tick {	4343	sub wait_for_tick() {
3785	return if tick_inhibit || $Coro::current == $Coro::main;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3786		4345
3787	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3788	push @WAIT_FOR_TICK, $signal;
3789	$signal->wait;
3790	}	4347	}
3791		4348
3792	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3793	return if tick_inhibit || $Coro::current == $Coro::main;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3794		4351
3795	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3796	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3797	$signal->wait;	4354	$signal->wait;
3798	}	4355	}
…		…
3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3803	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3804	return;	4361	return;
3805	}	4362	}
3806		4363
3807	cf::server_tick; # one server iteration	4364	cf::one_tick; # one server iteration
		4365
		4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3808		4367
3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3811	Coro::async_pool {	4370	Coro::async_pool {
3812	$Coro::current->{desc} = "runtime saver";	4371	$Coro::current->{desc} = "runtime saver";
3813	write_runtime_sync	4372	write_runtime_sync
3814	or warn "ERROR: unable to write runtime file: $!";	4373	or error "ERROR: unable to write runtime file: $!";
3815	};	4374	};
3816	}	4375	}
3817		4376
3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3819	$sig->send;	4378	$sig->send;
3820	}	4379	}
3821	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3822	$sig->send;
3823	}
3824		4381
3825	$LOAD = ($NOW - $TICK_START) / $TICK;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3827		4384
3828	if (0) {	4385	if (0) {
3829	if ($NEXT_TICK) {	4386	if ($NEXT_TICK) {
3830	my $jitter = $TICK_START - $NEXT_TICK;	4387	my $jitter = $TICK_START - $NEXT_TICK;
3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3832	warn "jitter $JITTER\n";#d#	4389	debug "jitter $JITTER\n";#d#
3833	}	4390	}
3834	}	4391	}
3835	}	4392	}
3836		4393
3837	{	4394	{
3838	# configure BDB	4395	# configure BDB
		4396	info "initialising database";
3839		4397
3840	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3841	BDB::max_poll_reqs $TICK * 0.1;	4399	BDB::max_poll_reqs $TICK * 0.1;
3842	$AnyEvent::BDB::WATCHER->priority (1);	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3843		4401
3844	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3845	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3873	};	4431	};
3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3876	};	4434	};
		4435
		4436	info "database initialised";
3877	}	4437	}
3878		4438
3879	{	4439	{
3880	# configure IO::AIO	4440	# configure IO::AIO
3881		4441
		4442	info "initialising aio";
3882	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3883	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3884	undef $AnyEvent::AIO::WATCHER;	4445	undef $AnyEvent::AIO::WATCHER;
		4446	info "aio initialised";
3885	}	4447	}
3886		4448
3887	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3888		4451
3889	sub _log_backtrace {	4452	sub _log_backtrace {
3890	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3891		4454
3892	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3893		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3894	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3895	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3896	++$_log_backtrace;	4463	++$_log_backtrace;
3897	my $perl_bt = Carp::longmess $msg;	4464	my $perl_bt = Carp::longmess $msg;
3898	async {	4465	async {
3899	$Coro::current->{desc} = "abt $msg";	4466	$Coro::current->{desc} = "abt $msg";
3900		4467
…		…
3920	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3921	--$_log_backtrace;	4488	--$_log_backtrace;
3922	};	4489	};
3923	} else {	4490	} else {
3924	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3925	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3926	}	4493	}
3927	}	4494	}
3928		4495
3929	# load additional modules	4496	# load additional modules
3930	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3931		4499
3932	END { cf::emergency_save }	4500	END { cf::emergency_save }
3933		4501
3934	1	4502	1
3935		4503

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